Dear all,
I am trying to fit a bivariate model with SAS (proc mixed). The errors
(R-Matrix) have the following structure
ai b
b ci
for all i=1,...,n subjects. So, on the main diagonal are different
variances but the covariances should be the same for all subject. How do I
use the subject/group/type options in the repeated statement?
Best Steffen
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Dipl.-Math. Steffen Witte
Universitaet Heidelberg, Abteilung Medizinische Biometrie
Im Neuenheimer Feld 305, D-69120 Heidelberg
T: +49-(0)6221-56-4371, F: +49-(0)6221-56-4195
http://www.biometrie.uni-heidelberg.de
mailto:[log in to unmask]
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